Vocabulary List P + Q

packet packet switch packet switching PAP parity checking partial mesh PCR PDN PGP Physical layer
ping pleisochronous PLP PNNI point-to-multipoint connection point-to-point connection poison reverse updates polling POP port security
PDU PPP Presentation layer PRI priority queueing process switching PROM propagation delay protocol protocol stack
PSE PSN PSTN PVC PVP PVP tunneling QoS queue

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